1. Login to your account at https://ac.roguewd.com/clientarea.php
2. Click "Billing" then "Manage Credit Card" in the top navigation.
3. Enter your credit card information and click "Save Changes".
Note: If you are currently paying by check and want to switch to credit card billing, you should follow the instructions above and then contact billing@websitehosting.net and request to be switched to credit card billing. Just entering the credit card information will not automatically do it.